easier yet
Didn't want to post a solution until I had a chance to give it a try on my RV-3 today. Worked great, so I'll pass it along. Position the nut, then use a 12" #30 drill in the hole of choice. Drill just enough to make a mark. Remove the nut and wheel, then use a cutoff wheel to flatten the area around the mark, removing all the threads in a 1/4" dia circle around the mark. Reassemble, drill enough of a hole to center a drill, then remove the nut and wheel. Use a 1/8 cobalt drill to complete the hole. Do the opposite side with the wheel off the axle.
Tony
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